xper,xns,xew,xco
0.100000001 , 0.416991979 , 0.392141908 , 649.200012
0.200000003 , 0.437021375 , 0.404609948 , 750.000000
0.300000012 , 0.441553622 , 0.435981363 , 750.000000
0.500000000 , 0.959229410 , 0.812216878 , 750.000000
1.00000000 , 1.20035613 , 1.02392709 , 399.899994
2.00000000 , 0.568032265 , 0.551090658 , 200.100006
3.00000000 , 0.244121462 , 0.420549363 , 133.199997